In a large section of a statistics class, the points for the final exam are normally distributed, with a mean of 76 and a standard deviation of 7. Grades are assigned such that the top 10% receive A's, the next 20% received B's, the middle 40% receive Cs, the
next 20% receive D's, and the bottom 10% receive Fs. Find the lowest score on the final exam that would qualify a student for an A.
a B, a C, and a D
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answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.

step-by-step explanation:

*calories burned = (weight)(calorie factor)*

calories burned = 180 (0.65)

calories burned = 117

the calories he used up is 117, which is 65% of his weight.  

answer: sorry i dont really know but can we talk all my friends r gone and im bored

step-by-step explanation: